How 3-D printed arms are changing kids’ lives around the world This revolutionary new technology is changing the world for kids born without limbs. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts How to Anchor Mega Ships Immortal Cells Turn 96 The science of attraction You Can Adapt Your Eyes to See Clearly Underwater 20 Lost Inventions Hacking Passports and Credit Cards with Major Malfunction